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Method and system for connection establishment and release in roaming user session

A technology for connection establishment and roaming users, applied in the field of code division multiple access 2000 network, can solve the problem of not being able to provide roaming user data return support

Inactive Publication Date: 2008-09-10
UTSTARCOM TELECOM CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The PP interface is only used for fast switching to ensure that the services used by the user during the mobile process are not interrupted, and cannot provide support for the data return of roaming users.

Method used

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  • Method and system for connection establishment and release in roaming user session
  • Method and system for connection establishment and release in roaming user session
  • Method and system for connection establishment and release in roaming user session

Examples

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Embodiment Construction

[0066] The technical solutions of the present invention will be described in further detail below with reference to the accompanying drawings and embodiments.

[0067] The invention realizes the support for roaming user's data returning to the locality when the roaming user uses the service in the visiting place through the PP interface, and expands the purpose of protecting the uninterrupted service when only the PP interface is used for fast switching in the prior art.

[0068] Such as Figure 5 As shown, it is a schematic flow diagram of an embodiment of the method for establishing a roaming user session connection in the present invention, and the specific flow includes the following steps:

[0069] Step 101. When the access terminal roaming to the visited place initiates a call, it establishes an air link with the wireless network through the air interface, and the wireless network establishes an RP connection with the visited PDSN, and notifies the visited PDSN that the ...

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PUM

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Abstract

The invention relates to a conversation connection and establishment method for roaming subscribers. After establishing an RP connection and completing a PPP link control and a PPP authentication, a visitor location PDSN obtains an IP address of a home location PDSN; a renegotiation procedure and the PPP authentication of the PPP link control are started through a PP connection and an access request authentication is processed on an access terminal; after passing the authentication, an IP address is distributed to the access terminal through a PPP IP address control procedure and the connection between the access terminal and the home location PDSN is established. The invention further relates to a conversation connection and establishment system for the roaming subscribers and a conversation connection release method for the roaming subscribers and a system thereof, wherein, the visitor location PDSN uses the PP connection to complete the process of connection establishment between the access terminal and the home location PDSN, thus using the PP connection to provide a transmission channel of business data so as to support the data regression for the roaming subscribers.

Description

technical field [0001] The present invention relates to Code Division Multiple Access (CDMA) 2000 network technology, in particular to a method and system for establishing and releasing a session connection between a roaming user terminal and a home Packet Data Serving Node (PDSN for short) in a CDMA2000 network. Background technique [0002] In the CDMA2000 network system structure (you can refer to 3GPP2 X.S0011, A.S0011 and A.S0017 and other specifications), such as figure 1 As shown, the PDSN is connected to the radio network (Radio Network, RN for short) through an interface between the RP (between the Radio Network and the PDSN). The RN is connected and interacts with an access terminal (AT for short) through an air interface (Air Interface), so as to ensure that the AT can still use the network while moving. The PDSN provides the AT with the ability to access the Internet (Internet), including providing the terminal with an IP address (Internet Protocol, see RFC791) ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04Q7/38H04Q7/22H04Q7/32H04L29/06
Inventor 费鹏刘力
Owner UTSTARCOM TELECOM CO LTD
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